/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraNodeWithDynamicPins.h
Determine whether or not a Niagara type is supported for an Add Pin possibility.
virtual bool AllowNiagaraTypeForAddPin ( const [FNiagaraTypeDefinition](API\Plugins\Niagara\FNiagaraTypeDefinition) & InType ) const